Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Posttest to secure good marks &amp; knowledge in the exams.

Fill in each blank. Use the best term from the word bank. You may not use every term.

Question 1.
A(n) ______________ is a group of numbers with an operation symbol.
An equation is a group of numbers with an operation symbol.

Question 2.
To find the difference between two numbers, you ____________.
To find the difference between two numbers, you subtract.

Question 3.
You ____________ to find out how many in all.
You add to find out how many in all.

Question 4.
The ______________ is the number below the fraction bar in a fraction.
The denominator is the number below the fraction bar in a fraction.

Question 5.
A(n) _____________ has four equal sides and four equal angles.
A square has four equal sides and four equal angles.

Question 6.
A(n) ______________ is the number of equal groups a dividend is divided by in a division problem.
A whole is the number of equal groups a dividend is divided by in a division problem.

Question 7.
An array is a good way to show _______________ of objects.
An array is a good way to show equal groups of objects.

Question 8.
A(n) _______________ is a shape that has zero sides and zero angles.
A circle is a shape that has zero sides and zero angles.

Question 9.
You ______________ to find a number close to an exact amount.
You estimate to find a number close to an exact amount.

Question 10.
You ______________ to find how many equal groups a number can be divided into.
You divide to find how many equal groups a number can be divided into.

Question 11.

Question 12.
You can _______________ two numbers together to find the product.
You can multiply two numbers together to find the product.

Question 13.
A(n) _______________ is a symbol used to name part of a whole.
A fraction is a symbol used to name part of a whole.

Question 14.
The _______________ is the answer to a division problem.
The quotient is the answer to a division problem.

Write each number in standard form.

Question 15.
7 tens
70

Explanation:
The standard form of 7 tens is 70.

Question 16.
50 + 1
51

Explanation:
The standard form of 50 + 1 = 51.

Question 17.
seventy-seven
77

Explanation:
The standard form of seventy-seven is 77.

Question 18.
nineteen
19

Explanation:
The standard form of nineteen is 19.

Question 19.
7 hundreds 1 ten 4 ones
714

Explanation:
The standard form of 7 hundreds 1 ten 4 ones is 714.

Question 20.
800 + 8
808

Explanation:
The standard form of 800 + 8 is 808.

Question 21.

104

Explanation:
There is 1 hundreds block and 4 ones cubes
The standard form of the given quick picture is 104.

Question 22.

43

Explanation:
There are 4 tens sticks and 3 ones cube
The standard form of the given quick picture is 43.

Question 23.

37

Explanation:
There are 3 tens sticks and 7 ones cube
The standard form of the given quick picture is 37.

Skip count. Write the missing numbers.

Question 24.
8, 10, 12, _________, ___________, __________, 20
14, 16, 18,

Explanation:
The numbers in the pattern are skip counts of 2
The missing numbers are 14, 16, 18.

Question 25.
70, 80, 90, _________, _________, _________, 130
100, 110, 120

Explanation:
The numbers in the pattern are skip counts of 10
The missing numbers are 100, 110, 120.

Question 26.
75, 80, 85, _________, _________, _________, 105
90, 95, 100

Explanation:
The numbers in the pattern are skip counts of 5
The missing numbers are 90, 95, 100

Compare each pair of numbers. Write <,> , or = for each.

Question 27.
496 398
496  398

Explanation:
The number 496 is greater than 398.

Question 28.
457,824 457,844
457,824 457,844

Explanation:
The number 457,824 is less than 457,844.

Question 29.
$$\frac{3}{6}$$ $$\frac{1}{2}$$
$$\frac{3}{6}$$  $$\frac{1}{2}$$

Explanation:
The number $$\frac{3}{6}$$  is equal to  $$\frac{1}{2}$$.

Question 30.
14 41
14 41

Explanation:
The number 14 is less than 41.

Question 31.
5.4 5.0
5.4 5.0

Explanation:
The number 5.4 is greater than 5.0.

Question 32.
592 595
592 595

Explanation:
The number 592 is less than 595.

Question 33.

Explanation:
The sum of 356 and 871 is 1227.

Question 34.

Explanation:
The sum of 18437 and 31854 is 50291.

Question 35.

Explanation:
The sum of 36792 and 9654 is 46446.

Question 36.

Explanation:
The sum of 63121 and 42190 is 105311.

Question 37.

Explanation:
The sum of 562 ,711 and 631 is 1904.

Question 38.

Explanation:
The sum of 25582 ,72990 and 31854 is 130426.

Question 39.

Explanation:
The sum of 5612 , 6453 and 8904 is 20969.

Question 40.

Explanation:
The sum of 953 ,110 and 872 is 1935.

Subtract. Write the difference.

Question 41.

Explanation:
The difference between 529228 and 337643 is 191585.

Question 42.

Explanation:
The difference between 815027 and 56774 is 758253.

Question 43.

Explanation:
The difference between 437184 and 72138 is 365046.

Question 44.

Explanation:
The difference between 90543 and 90251 is 292.

Round to the nearest thousand to estimate the sum or difference.

Question 45.
82,019 – 78,901 = ____________
3000

Explanation:
82019 – 78901
I rounded the numbers to the nearest thousand to estimate the difference
= 82000 – 79000
= 3000
So, the estimated difference between the given numbers is 3000.

Question 46.
351,092 + 238,091 = ____________
589000

Explanation:
351,092 + 238,091
I rounded the numbers to the nearest thousand to estimate the sum
= 351000 + 238000
= 589000
So, the estimated sum of the given numbers is 3000.

Round to the nearest hundred to estimate the sum or difference.

Question 47.
74,521 + 676,890 = ____________
751400

Explanation:
74,521 + 676,890
I rounded the numbers to the nearest hundred to estimate the sum
= 74500 + 676900
= 751400
So, the estimated sum of the given numbers is 751400.

Question 48.
90,932 – 65,721 = _____________
25200

Explanation:
90,932 – 65,721
I rounded the numbers to the nearest hundred to estimate the difference
= 90900 – 65700
= 25200
So, the estimated difference between the given numbers is 25200.

Solve.

Question 49.
A rectangular yard is 8 meters long and 5 meters wide. What is the perimeter of the yard?
26 meters

Explanation:
A rectangular yard is 8 meters long and 5 meters wide
l = 8, b = 5
Perimeter of a rectangle = 2l + 2b
= (2×8) + (2×5)
= 16 + 10
= 26
So, perimeter of the rectangular yard is 26 meters.

Question 50.
A sandbox measures 7 feet long and 5 feet wide. What is the area of the sandbox?
35 square feet

Explanation:
A sandbox measures 7 feet long and 5 feet wide
l = 7, b = 5
Area of the rectangle = l x b
= 7 x 5
= 35 square feet
So, area of the sandbox is 35 square feet.

Find the product.

Question 51.
4 × 0 = ___________
0

Explanation:
Any number multiplied by 0 is 0
So, 4 x 0 = 0.

Question 52.
2 × 8 = ___________
16

Explanation:
The product of 2 and 8 is 16
So, 2 x 8 = 16.

Question 53.
9 × 8 = ____________
72

Explanation:
The product of 9 and 8 is 72
So, 9 x 8 = 72.

Question 54.
12 × 4 = __________
48

Explanation:
The product of 12 and 4 = 48
So, 12 x 4 = 48.

Question 55.
10 × 5 = _____________
50

Explanation:
The product of 10 and 5 is 50
so, 10 x 5 = 50.

Question 56.
5 × 1 = ______________
5

Explanation:
The product of 5 and 1 is 5
So, 5 x 1 = 5.

Find the quotient.

Question 57.
12 ÷ 3 = ____________

Explanation:
12 ÷ 3 = 4
The quotient is 4.

Question 58.
32 ÷ 4 = ____________

Explanation:
32 ÷ 4 = 8
The quotient is 8.

Question 59.
35 ÷ 7 = _____________

Explanation:
35 ÷ 7 = 5
The quotient is 5.

Question 60.
132 ÷ 12 = _____________

Explanation:
132 ÷ 12 = 11
The quotient is 11.

Question 61.
88 ÷ 11 = _____________

Explanation:
88 ÷ 11 = 8
The quotient is 8.

Question 62.
60 ÷ 10 = _______________

Explanation:
60 ÷ 10 = 6
The quotient is 6.

Question 63.
Which multiplication property is shown in this sentence? 5 × (12 + 15) = (5 × 12)+ (5 × 15)
Distributive property

Explanation:
5 × (12 + 15) = (5 × 12)+ (5 × 15) is an example of distributive property of multiplication.

Identify each number as prime or composite.

Question 64.
6 ___________
Composite number

Explanation:
6 is a composite number.

Question 65.
11 ______________
Prime number

Explanation:
11 is a prime number.

Question 66.
11 ____________
Prime number

Explanation:
11 is a prime number.

Question 67.
66 ______________
Composite number

Explanation:
66 is a composite number.

Find all the factor pairs of each number.

Question 68.
12 ______________
1 x 12, 2 x 6, 3 x 4

Explanation:
The factors pairs of the number 12 are 1 x 12, 2 x 6, 3 x 4.

Question 69.
19 ______________
1 x 19

Explanation:
There is only 1 pair of factors for the number 19
The factor pair of 19 is 1 x 19.

Solve. Write the expressions you used and the answers.

Question 70.
Ms. Neal is making a large pot of stew for a family reunion. The recipe calls for 4 times as many peas as carrots. If she uses 2 cups of carrots, how many cups of peas will she need?
8 cups of peas

Explanation:
Ms. Neal is making a large pot of stew for a family reunion
The recipe calls for 4 times as many peas as carrots
She uses 2 cups of carrots
So, multiply 4 and 2
4 x 2 = 8
So, Ms. Neal need 8 cups of peas.

Question 71.
A deli has 6 times as many bottles of juice as pickles. If the deli has 54 bottles of juice, how many pickles are in the deli? Use the variable y for the number of pickles.
9 pickles

Explanation:
A deli has 6 times as many bottles of juice as pickles
If the deli has 54 bottles of juice
The equation that helps to solve the problem is
6y = 54
y = 54 ÷ 6
y = 9
So, there are 9 pickles.

Write an equivalent fraction for each.

Question 72.
$$\frac{3}{4}$$
$$\frac{6}{8}$$

Explanation:
The fraction $$\frac{3}{4}$$ is equivalent to $$\frac{6}{8}$$.

Question 73.
$$\frac{24}{40}$$
$$\frac{24}{40}$$

Explanation:
The equivalent fraction for $$\frac{24}{40}$$ is $$\frac{12}{20}$$.

Question 74.
$$\frac{4}{36}$$
$$\frac{2}{18}$$

Explanation:
The equivalent fraction for $$\frac{4}{36}$$ is $$\frac{2}{18}$$.

Question 75.
$$\frac{2}{5}$$ + $$\frac{1}{5}$$ = ______________
$$\frac{3}{5}$$

Explanation:
$$\frac{2}{5}$$ + $$\frac{1}{5}$$ = $$\frac{3}{5}$$.

Question 76.
$$\frac{3}{10}$$ + $$\frac{5}{10}$$ = ______________
$$\frac{8}{10}$$

Explanation:
$$\frac{3}{10}$$ + $$\frac{5}{10}$$  = $$\frac{8}{10}$$

Question 77.
78$$\frac{9}{15}$$ – 47$$\frac{5}{15}$$ = ______________
31$$\frac{4}{15}$$

Explanation:
78$$\frac{9}{15}$$ – 47$$\frac{5}{15}$$ = 31$$\frac{4}{15}$$.

Write each fraction as a decimal.

Question 78.
$$\frac{5}{10}$$
0.5

Explanation:
The decimal of the fraction $$\frac{5}{10}$$ is 0.5.

Question 79.
$$\frac{30}{100}$$
0.3

Explanation:
The decimal of the fraction $$\frac{30}{100}$$ is 0.3.

Question 80.
$$\frac{78}{100}$$
0.78

Explanation:
The decimal of the fraction $$\frac{78}{100}$$ is 0.78.

Question 81.
$$\frac{40}{50}$$
0.8

Explanation:
The decimal for he fraction $$\frac{40}{50}$$ is 0.8.

Question 82.
Plot 1.20 on the number line. Label it A.

Explanation:
I plotted the number 1.20 on the number line and labeled it A.

Question 83.
Plot 1$$\frac{70}{100}$$ on the number line. Label it B.

Explanation:
The decimal of the fraction 1$$\frac{70}{100}$$ is 1.7
I plotted the number 1.7 on the number line and labeled it B.

Question 84.
Plot 1$$\frac{2}{5}$$ on the number line. Label it C.

Explanation:
The decimal of the fraction 1$$\frac{2}{5}$$ is 1.4
I plotted the number 1.4 on the number line and labeled it C.

Multiply to find each missing number.

Question 85.
3 m = _____________ cm
300 cm

Explanation:
1 meter = 100 cm
3 m = 3 x 100
= 300 cm
So, 3 m = 300 cm.

Question 86.
62 ft = ______________ in
744 in

Explanation:
1 ft = 12 in
62 ft = 62 x 12
= 744
So, 62 ft = 744 in.

Question 87.
11 kg = ______________ g
11000 g

Explanation:
1 kg = 1000 g
11 kg = 11 x 1000
= 1000 g
So, 11 kg = 11000 g.

Question 88.
Which figure is an obtuse angle? Place a check mark under the correct answer.

Explanation:
The first figure is an obtuse angle
So, i placed a check mark under the first figure.

Question 89.
Which figure is a line segment? Place a check mark under the correct answer.

Explanation:
The third figure is a line segment
So, i placed a check mark under the third figure.

Question 90.
Which figure is an acute isosceles triangle? Place a check mark under the correct answer.

Explanation:
The second figure is an acute isosceles triangle
So, i placed a check mark under second figure.

Question 91.
Which pair of lines is perpendicular? Place a check mark under the correct answer.

Explanation:
The second figure is a pair of perpendicular lines
So, i placed a check mark under the second figure.

Use a protractor to measure each angle. You may need to extend its sides.

Question 92.

Explanation:
The measure of the given angle is 40°.

Question 93.

Explanation:
The measure of the given angle is 150°.

Solve.

Question 94.
A mechanic uses a wrench to turn a bolt. He turns it 62°. After a few minutes, he turns it another 18°. How many degrees did he turn the bolt altogether?
80°

Explanation:
A mechanic uses a wrench to turn a bolt. He turns it 62°
After a few minutes, he turns it another 18°
62 + 18 = 80°
So, the mechanic turned the blot for 80°.

Question 95.
A wheel spins forward 122°. Then it spins backward 34°. At what degree measure does the wheel stop spinning?